#include <bits/stdc++.h>
using namespace std;
int a[] = {10, 20, 50, 100};
const int N = 1010;
int n;
int f[N];
int main() {
  cin >> n;
  f[0] = 1;
  for (int i = 0; i < 4; ++i) {
    for (int j = a[i]; j <= n; ++j) {
      f[j] += f[j - a[i]];
    }
  }
  cout << f[n] << endl;
  return 0;
}
